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Upgrading Oracle WebLogic Servers from 10.3 to 10.3.1

Are your libraries targeted to the correct WLS managed server?

Recently we upgraded our Oracle WebLogic Servers from 10.3 to 10.3.1, and coincidentally migrated a JDeveloper ADF application 11g to 11gR1. ADF applications require a set of libraries that must be deployed to WLS before the ADF application can run, of which we completed successfully, or so we thought. This post documents a little trap for new players when configuring WLS and deployed applications.

On deploying our upgraded ADF 11gR1 application to our WLS 10.3.1 server with the updated ADF libraries, we hit an error on deployment from JDev. The logs showed the following results:

[08:54:26 AM] ---- Deployment started. ----
[08:54:26 AM] Target platform is (Weblogic 10.3).
[08:54:39 AM] Entering Target Selection Dialog
[08:54:55 AM] Retrieving existing application information
[08:54:55 AM] Running dependency analysis...
[08:54:55 AM] Building...
[08:54:59 AM] Deploying 4 profiles...
[08:54:59 AM] Wrote Archive Module to C:\JDeveloper\mywork\CR123\trunk\CommonViewController\deploy\CommonViewController.jar
[08:54:59 AM] Wrote Archive Module to C:\JDeveloper\mywork\CR123\trunk\CommonModel\deploy\CommonModel.jar
[08:54:59 AM] Wrote Web Application Module to C:\JDeveloper\mywork\CR123\trunk\ViewController\deploy\App_ViewController.war
[08:55:00 AM] Wrote Enterprise Application Module to C:\JDeveloper\mywork\CR123\trunk\deploy\App_application1.ear
[08:55:04 AM] Deploying Application...
[08:55:06 AM] [Deployer:149191]Operation 'deploy' on application 'App_application1' is initializing on 'ADFServer'
[08:55:06 AM] [Deployer:149193]Operation 'deploy' on application 'App_application1' has failed on 'ADFServer'
[08:55:06 AM] [Deployer:149034]An exception occurred for task [Deployer:149026]deploy application App_application1 on ADFServer.: [J2EE:160149]Error while processing library references. Unresolved application library references, defined in weblogic-application.xml: [Extension-Name: adf.oracle.domain, exact-match: false], [Extension-Name: oracle.jsp.next, exact-match: false]..
[08:55:06 AM] Weblogic Server Exception: weblogic.management.DeploymentException: [J2EE:160149]Error while processing library references. Unresolved application library references, defined in weblogic-application.xml: [Extension-Name: adf.oracle.domain, exact-match: false], [Extension-Name: oracle.jsp.next, exact-match: false].
[08:55:06 AM] See server logs or server console for more details.
[08:55:06 AM] weblogic.management.DeploymentException: [J2EE:160149]Error while processing library references. Unresolved application library references, defined in weblogic-application.xml: [Extension-Name: adf.oracle.domain, exact-match: false], [Extension-Name: oracle.jsp.next, exact-match: false].
[08:55:06 AM] #### Deployment incomplete. ####
[08:55:06 AM] Deployment Failed

The last set of errors reveals that the server can't find the libraries that the deployed application are dependent on. To highlight them:

[08:55:06 AM] Weblogic Server Exception: weblogic.management.DeploymentException: [J2EE:160149]Error while processing library references. Unresolved application library references, defined in weblogic-application.xml: [Extension-Name: adf.oracle.domain, exact-match: false], [Extension-Name: oracle.jsp.next, exact-match: false].
[08:55:06 AM] See server logs or server console for more details.
[08:55:06 AM] weblogic.management.DeploymentException: [J2EE:160149]Error while processing library references. Unresolved application library references, defined in weblogic-application.xml: [Extension-Name: adf.oracle.domain, exact-match: false], [Extension-Name: oracle.jsp.next, exact-match: false].

Note how WLS is stating it can't find adf.oracle.domain nor oracle.jsp.next.

This confused us because we could actually see them installed under the deployments tab in the WLS console. However the error in the end was a simple one on our part.

On installing the updated ADF libraries we installed them into the WLS AdminServer managed server. Yet on deploying our application, we chose to deploy the application to a separate WLS managed server called ADFServer (seen in the logs). For the application to find the ADF libraries, they needed to be installed into the ADFServer as well.

To fix this, one option is to head to the WLS console, locate the libraries in the Deployment node, and on selecting each library, under the Targets tab, ensure to allocate the libraries to the correct managed server. Alternatively your other option is to deploy your application to the WLS managed server where the libraries are targeted/installed.

Read the original blog entry...

More Stories By Chris Muir

Chris Muir, an Oracle ACE Director, senior developer and trainer, and frequent blogger at http://one-size-doesnt-fit-all.blogspot.com, has been hacking away as an Oracle consultant with Australia's SAGE Computing Services for too many years. Taking a pragmatic approach to all things Oracle, Chris has more recently earned battle scars with JDeveloper, Apex, OID and web services, and has some very old war-wounds from a dark and dim past with Forms, Reports and even Designer 100% generation. He is a frequent presenter and contributor to the local Australian Oracle User Group scene, as well as a contributor to international user group magazines such as the IOUG and UKOUG.

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